a-a aaa aaf aah aak aam aao aar aas af- afa aff afh afk afm afo afr afs aha ahf ahh ahk ahm aho ahr ahs aka akh akk akm ako akr aks ama amf amh amk amm amo amr ams aoa aof aoh aok aom aoo aor aos ar- ara arf arh ark arm aro arr ars as- asa asf ash ask asm aso asr ass faa faf fah fak fam fao far fas ffa fff ffh ffk ffm ffo ffr ffs fha fhf fhh fhm fho fhr fhs fka fkf fkk fkm fma fmf fmh fmm fmo fmr fms foa fof foh fok fom foo for fos fra frf frh frk frm fro frr frs fsa fsf fsh fsk fsm fso fsr fss haa haf hah hak ham hao har has hfa hff hfh hfk hfm hfo hfr hfs hha hhf hhh hhk hhm hho hhr hhs hka hkf hkh hkk hkm hko hkr hks hma hmf hmh hmk hmm hmo hmr hms hoa hof hoh hok hom hoo hor hos hr- hra hrf hrh hrk hrm hro hrr hrs hsa hsf hsh hsk hsm hsr hss ka- kaa kaf kah kak kam kao kar kas kfa kff kfh kfm kfo kfs kha khf khh khk khm kho khr khs kkh kkk kkm kkr kks kma kmf kmh kmk kmm kmo kms koa kof koh kok kom koo kor kos kra krf krk kro krr krs ksa ksf ksh ksk ksm kso ksr kss m-f m-o m-r maa maf mah mak mam mao mar mas mfa mff mfh mfm mfo mfr mfs mha mhf mhh mhk mhm mho mhr mhs mka mkh mkk mkm mko mkr mks mma mmf mmh mmk mmm mmo mmr mms moa mof moh mok mom moo mor mos mra mrf mrh mrk mrm mro mrr mrs msa msf msh msk msm mso msr mss oaa oaf oah oak oam oao oar oas of- ofa off ofm ofo ofr ofs oha ohf ohh ohm oho ohr ohs oka okk oko okr oks om- oma omf omh omm omo omr oms oo- ooa oof ooh ook oom ooo oor oos or- ora orf orh ork orm oro orr ors os- osa osf osh osk osm oso osr oss ra- raa raf rah rak ram rao rar ras rfa rff rfh rfk rfm rfo rfr rfs rh- rha rhf rhh rhm rho rhr rhs rkf rkk rkm rko rks rma rmf rmh rmm rmo rmr rms roa rof roh rok rom roo ror ros rra rrf rrh rrk rrm rrr rrs rsa rsf rsh rsk rsm rso rsr rss saa saf sah sak sam sao sar sas sfa sff sfh sfk sfm sfo sfr sfs sh- sha shf shh shk shm sho shr shs sk- ska skf skh skk skm sko skr sks sma smf smh smk smm smo smr sms soa sof soh sok som soo sor sos sr- sra srf srh srk srm sro srr srs ss- ssa ssf ssh ssk ssm sso ssr sss